| ERW Bututu- Wutar Lantarki Juriya Welded Karfe Bututu | |
| Amfani: | Ana amfani da shi don isar da ruwa mara ƙarfi, kamar ruwa, gas da mai. |
| Daidaito: | API5L, BS1387, ASTM A53/A106, EN10219, EN10210, EN10255,JIS G3452,JIS G3454,JIS G3456 |
| Takaddun shaida: | API 5L, CE, IS09001:2015, IS014001:2015; |
| Wurin Wuta: | 26.7mm-660mm |
| Kaurin bango: | 1.5-16 mm |
| Tsawon: | 1m-12m ko kamar yadda kuke bukata |
| Ƙarshe: | Filaye, Ƙauna, Zare, Tsage, da sauransu; |
| Maganin Sama: | galvanized, mai, zanen, epoxy shafi, 3Lpe,bace shafi; |
| Dubawa: | Tare da Gwajin Hydraulic, Eddy Current, Gwajin Infrared; |
| Shiryawa: | An haɗa shi da sassan karfe;10*-24": fakitin sako-sako; |
| Jirgin ruwa: | Ta akwati ko babban jirgin ruwa; |
| Sharuɗɗan ciniki: | FOB/CIF/CFR; |
| Lokacin bayarwa: | Yawanci a cikin kwanaki 10-20; |
| Sharuɗɗan Biyan kuɗi: | TT ko LC; |
Ana amfani da bututu da aka yi oda a ƙarƙashin wannan ƙayyadaddun bayanai don tsari.
| Chemical abun da ke ciki-bangon kauri≤120mm | ||||||||
| Karfe daraja | % da yawa, matsakaicin | |||||||
| Sunan Karfe | Lambar Karfe | C | Si | Mn | P | S | N | |
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| ≤40 | 40≤120 |
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| Saukewa: S355J2H | 1.0576 | 0.22 | 0.22 | 0.55 | 1.60 | 0.030 | 0.030 | - |
High-mita waldi ne da amfani da fata sakamako don sa high-mita halin yanzu makamashi mayar da hankali a kan saman da workpiece;Ana amfani da tasirin kusanci don sarrafa matsayi da kewayon babban mitar halin yanzu.Gudun na yanzu yana da sauri sosai, yana iya dumama gefen farantin karfen da ke kusa da shi cikin kankanin lokaci, ya narke, kuma ya gane docking ta hanyar extrusion kowanne yana da nasa fa'ida, amma kuma yana da nasa gazawar.Gabaɗaya ya zama dole don bincika takamaiman zaɓi bisa ga takamaiman yanayi.
Tsarin ƙera Welding Resistance Electric (ERW) bututu shine kamar haka:
Buɗe binciken farantin → miƙewa madaidaiciya → yankan kafa → yankan walda na butt → Duban gani → Duban Ultrasonic → Binciken X-ray → Gwajin matsin lamba → Flat chamfering → Dubawa na ƙarshe
Bare bututu ko Black / Varnish shafi (na musamman);
a cikin daure ko a sako-sako;
Dukansu sun ƙare tare da masu kare ƙarshen;
Ƙarshen Ƙarshen, Ƙarshen bevel (2 "da sama tare da iyakar bevel, digiri: 30 ~ 35 °), threaded da hada guda biyu;
Alama.
| KAYAN KANikanci | ||||||||||
| Karfe daraja | Ƙarfin Ƙarfin Ƙarfi (Mp) | Ƙarfin Tensile (Mp) | ||||||||
|
| Ƙayyadadden Kauri (mm) | Ƙayyadadden Kauri (mm) | ||||||||
| Sunan Karfe | Lambar Karfe | ≤16 | ＞16≤40 | ：40≤63 | 63≤80 | 80≤100 | ？100 ≤120 | ≤3 | ＞3 ≤100 | ？100 ≤120 |
| Saukewa: S355J2H | 1.0576 | 355 | 345 | 335 | 325 | 315 | 295 | 510-580 | 470-630 | 450-600 |
| Ƙayyadaddun bayanai | OD≤2500mm WT≤120mm | ||
| OD | Mafi qarancin: ± 0.5mm, Matsakaicin: ± 10mm | ||
| WT | -10 | ||
| Nauyi | ± 6 ） | ||
| Tsawon | Tsawon Tsawon | 4m≤L≤6m | ± 500mm |
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| Kafaffen Tsawon | 4m≤L≤6m | +10mm |
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| · 6m | + 15 mm |
